London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Sutton 1966
[Report of the Medical Officer of Health for Sutton]
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WATER SUPPLY
All houses in the Borough have piped water supply. The majority
are supplied by the Sutton District Water Company, a few near the northern
boundary are supplied by the Metropolitan Water Board. There are private
wells at hospitals, factories and a school.
The average fluoride content of the water is 0.1 parts per million.
The Sutton Company draws its supplies from wells in the chalk at
Woodmansterne, Sutton and Cheam, and is under statutory obligation to
soften the water to 9° of hardness.
The following is a copy of a routine sample taken by the Public
Health Inspector:-
" Report on Examination of a Sample of Water
Sources Sutton District Water Company
Date Received! 10th March, 1966.
Particulars on Labels London Borough of Sutton Sample No. 4 (Chemical)
10. 3. 6. Sample No. 6 (Bacteriological)
Physical Characterss
Reaction (pH): 7.3 Tastes Normal Odours None
Colours Paint blue
Appearances Bright and Clear
Electrical Conductivity at 20°C: 240 reciprocal megohms
Chemical Characterss
| Parts per million (milligrams per litre) | ||
|---|---|---|
| Total Solids dried at 180°C | 165 | |
| Chlorine in Chlorides at Chlorion | 17.5 | |
| Nitrite Nitrogen | 0.01 | |
| Nitrate Nitrogen | 5.8 | |
| Ammoniacal Nitrogen | 0.00 | |
| Albuminoid Nitrogen | 0.00 | |
| Oxygen absorbed in 4 hours at 27°C | 0.00 | |
| Alkalinity as CaCO3 | ||
| Hardness as CaCO3 Carbonate Non-carbonate | 84 ) | Total 113 |
| 29 ) | ||
| Free Carbon dioxide as CO2 | ||
| Residual Chlorine | 0.01 | |
| Iron | None | |
| Other Metals | None | |